Load the form with the submit button disabled, then place an onBlur event in the firstleveldate field that checks the date value. If it's before the current date, do nothing; if it's AFTER the current date (or is the current date?), then document.forms["formName"].submitButtonName.disabled = false;
If anyone knows of a website that can offer ColdFusion help that isn't controlled by neurotic, pedantic jerks* (stackoverflow.com), please PM me with a link.
* The neurotic, pedantic jerks are not the owners; just the people who are in control of the "popularity contest".